Appears when the battery is highly sulfated and cannot accept normal charge current.
• Follow the steps in "Recondition Mode" to recondition the battery.
• Follow the steps in "Equalizing" to equalize the battery.
• If the situation persists after reconditioning and equalizing, we recommend taking your battery to a certified automotive service center for evaluation
Answers & Comments
F03 - Sulfate or Unchargeable Battery
Appears when the battery is highly sulfated and cannot accept normal charge current.
• Follow the steps in "Recondition Mode" to recondition the battery.
• Follow the steps in "Equalizing" to equalize the battery.
• If the situation persists after reconditioning and equalizing, we recommend taking your battery to a certified automotive service center for evaluation